[Beowulf] Can we set MPICH to use ssh instead of rsh at runtime?
lusk at mcs.anl.gov
Mon Oct 25 08:35:48 PDT 2004
> Can we set MPICH to use ssh instead of rsh at runtime? I know it can be
> set in compile time by configure opinion. And LAM can do that by setting
> $LAMRSH environment variable.
No, there is not a way to do that. I would recommend the use of MPICH2
(http://www.mcs.anl.gov/mpi/mpich2), which doesn't use rsh or ssh to
start jobs, but rather a set of daemons. The daemons can be started any
way you like, including either rsh or ssh.
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